/*
 * Copyright 2006-2015 Transsion.com All right reserved. This software is the confidential and proprietary information
 * of Transsion.com ("Confidential Information"). You shall not disclose such Confidential Information and shall use it
 * only in accordance with the terms of the license agreement you entered into with Transsion.com.
 */
package com.yunji.framework_template.common.util;

import com.alibaba.fastjson.JSONObject;

import com.yunji.framework_template.common.http.HttpClientUtil;
import com.yunji.framework_template.common.web.HttpResult;

public class UnicodeUtil {

    /**
     * 将unicode转换为正常的字符串
     * 
     * @param theString
     * @return
     */
    public static String decodeUnicode(String theString) {
        char aChar;
        int len = theString.length();
        StringBuffer outBuffer = new StringBuffer(len);
        for (int x = 0; x < len;) {
            aChar = theString.charAt(x++);
            if (aChar == '\\') {
                aChar = theString.charAt(x++);
                if (aChar == 'u') {
                    int value = 0;
                    for (int i = 0; i < 4; i++) {
                        aChar = theString.charAt(x++);
                        switch (aChar) {
                            case '0':
                            case '1':
                            case '2':
                            case '3':
                            case '4':
                            case '5':
                            case '6':
                            case '7':
                            case '8':
                            case '9':
                                value = (value << 4) + aChar - '0';
                                break;
                            case 'a':
                            case 'b':
                            case 'c':
                            case 'd':
                            case 'e':
                            case 'f':
                                value = (value << 4) + 10 + aChar - 'a';
                                break;
                            case 'A':
                            case 'B':
                            case 'C':
                            case 'D':
                            case 'E':
                            case 'F':
                                value = (value << 4) + 10 + aChar - 'A';
                                break;
                            default:
                                throw new IllegalArgumentException("Malformed   \\uxxxx   encoding.");
                        }

                    }
                    outBuffer.append((char) value);
                } else {
                    if (aChar == 't') aChar = '\t';
                    else if (aChar == 'r') aChar = '\r';
                    else if (aChar == 'n') aChar = '\n';
                    else if (aChar == 'f') aChar = '\f';
                    outBuffer.append(aChar);
                }
            } else outBuffer.append(aChar);
        }
        return outBuffer.toString();
    }

    public static void main(String[] args) {
        try {
            String url = "http://52.76.170.110:9202/forum/api/getContent.php?id=6";
            HttpResult result = HttpClientUtil.doGet(url);
            String content = result.getContent();
            System.out.println(content);
            JSONObject jo = JSONObject.parseObject(content);
            String title = jo.getString("title");
            String urlObject = jo.getString("url");
            String contentObject = jo.getString("content");
            System.out.println("title:" + title);
            System.out.println("url:" + urlObject);
            System.out.println("content:" + contentObject);
            title = decodeUnicode(title);
            contentObject = decodeUnicode(contentObject);
            System.out.println(contentObject);
            System.out.println(title);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
